>Have been talking to my client since recent postings, and we have >decide to try out EPP mode on the parallel port. Sounds like you >can send or receive 8, 16 or 32 bits in one PC instruction, and the >EPP port takes care of all the handshaking. We will knock up a >test board to try it out in 16 bit mode. I have a max of 10us >between bytes before the EPP port times out. That's 50 >instructions with a 20MHz clock right? What am I letting myself in >for... Is it worth checking out the parallel port interface on some pics to see if it will interface to an EPP. The 16F87x family has this port with the handshake lines as one of its features. Have not looked at it myself, just a thought. -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics